ESSEX INVESTMENT MANAGEMENT CO LLC

CIK
201772
City
BOSTON
State / Country
MA

Top Portfolio Positions

292 positions · $627,635,949 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio
TSEM
Tower Semiconductor Ltd
Technology
115,933 $20,343,922 3.24%
LINC
Lincoln Educational Services Corp
Consumer Defensive
355,304 $14,453,766 2.30%
STRL
Sterling Infrastructure, Inc.
Industrials
32,057 $13,055,854 2.08%
KNSA
Kiniksa Pharmaceuticals International, plc
Healthcare
249,278 $12,002,735 1.91%
LGND
Ligand Pharmaceuticals Inc
Healthcare
58,460 $11,671,539 1.86%
DRS
Leonardo DRS, Inc.
Industrials
261,454 $11,639,932 1.85%
KTOS
Kratos Defense & Security Solutions, Inc.
Industrials
158,844 $11,200,090 1.78%
GSAT
Globalstar, Inc.
Communication Services
165,665 $11,003,469 1.75%
INSM
INSMED Inc
Healthcare
62,676 $10,248,779 1.63%
GHM
Graham Corp
Industrials
128,294 $10,124,962 1.61%

Portfolio Trend

25 quarters · across all stocks

Holdings in FEIM

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Shares Held

Position Value (USD)

7 of 7 shown
Report Date Value (USD) Shares
2026-03-31 $4,117,330 93,026
2025-12-31 $4,919,899 91,380
2025-09-30 $3,167,533 93,410
2025-06-30 $2,052,098 90,361
2021-03-31 $399,146 35,354
2020-12-31 $246,582 22,437
2020-09-30 $362,574 35,863